/Engine/Source/Runtime/Engine/Public/MaterialCachedHLSLTree.h
const [TMap](API\Runtime\Core\Containers\TMap)< [FMaterialConnectionKey](API\Runtime\Engine\FMaterialConnectionKey), const [UE::HLSLTree::FExpression](API\Runtime\Engine\HLSLTree\FExpression) * > & GetConnections() const